body,
html,
ul,
ol,
h1,
h2,
h3,
h4,
h5,
h6,
p,
input,
button,
textarea {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    font-size: 16px !important;
}

span,
div {
    /* box-sizing: border-box; */
}

ul,
ol {
    list-style: none;
}

a,
a:hover,
a:focus {
    color: #333;
    text-decoration: none;
    /* 针对移动端点击高亮 */
    -webkit-tap-highlight-color: transparent;
}

input,
button,
textarea {
    border: 0;
    outline: none;
}

.pull-left {
    float: left;
}

.pull-right {
    float: right;
}

.clearfix:after {
    content: '';
    display: block;
    clear: both;
}